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Chord is a typical model of structured P2P network. However, there are some problems for the mechanism of searching resources in Chord, such as too much redundant information in the routing tables of nodes, the deviation of needed times of forwarding lookup messages among searching resources whose key values are located in different areas of identifier space, some available routing information being...
Replication technique is an effective method for improving the availability of data and enhancing performance, however, it also brings significant costs in storage space and traffic. In this paper, we study how to decrease redundant traffic cost and redundant replicas for replication in structured P2P overlay by topology optimization. We develop a hierarchical proximity-aware P2P overlay with dominating...
In the case of distributed applications, designed to run for more days with no restart needed, there is a strong need for a self-adapting, even self-organizing, distributed infrastructure, to dynamically solve the issues that might arise, and to adapt the infrastructure to the needs of the distributed application than runs on top of it. A solution for such a distributed logical infrastructure, based...
In recent years, peer-to-peer systems have gained traction in a number of important areas including; file-sharing, VoIP and scientific research vehicles such as the grid. We argue that this merely scratches the surface of the potential of peer-to-peer systems. This paper proposes a novel peer-to-peer system, GeoIGM, well suited to the highly collaborative style of tagging and development of context-aware...
The key in P2P network is to locate resources effectively.Chord is a kind of structured P2P network, but the routing table in Chord suffers serious information redundancy and it is not very efficient.Therefore, an improved chord routing algorithm is proposed.On the premise of not increasing the length of routing table, repetitious entries are deleted and anticlockwise routing in the same amount are...
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